b-v

The one shot semiconductor sensor which used sodium tetraphenyl boron as electrical active material for determining V B 1 is prepared.

报道了一种以四苯硼钠为活性物质的一次性VB1半导体传感器。

Methods: In cultivated cells, 50% of inhibitory concentrations ( IC_ ( 50)) of chemotherapy agents were detected singly or combined with AdI κ B α transfer. Annexin-V/ PI stain and caspase 3 activity were measured to detect the apoptosis caused by treatment.

方法（1）检测50%抑制浓度（IC50）以确定化疗单用或联合AdIκBα对H460细胞增殖的影响，同时采用Annexin-V/PI染色法和caspase3活性测定来检测治疗引起的细胞凋亡情况；

In this paper, the research object was focused on the B-V oxidation of 1-indanone by using 30% hydrogen peroxide as oxidant and some liquid and solid acids as catalysts in solvent of 2, 2, 3, 3-tetrafluoro-1-propanol.

本论文着重研究以30%的H2O2为氧化剂、2,2,3,3-四氟1-丙醇作溶剂、三氟甲烷磺酸和其它固体酸作催化剂的反应条件下，1-茚酮为反应底物的B V氧化反应。

After deriving their effective temperatures and luminosities from their ( B-V), ( U-B) colors and parallaxes we find their positions in the HR diagram to be mostly confined to the main sequence.

在从样本星的色指数（B-V），（U-B）和视差得到它们的有效温度和光度之后，我们发现在赫罗图上它们大多数是位于主序带内的。

Through learning of MLP network, Lagrange multiplier vector and threshold value b in decision function, constant in kernel function, restricted value in C-SVM and v-SVM classification can be gotten.

通过多层感知器网络的学习，获得支撑矢量机决策函数中合适的Lagrange乘子矢量及阈值b，以及非线性分类时核函数中的常系数，C-SVM分类和v-SVM分类时的约束值。

541 galaxie formed an obvious sequence along a diagonal of the two color diagram ( B-V)_T~ o ( U-B)_T~ o. This can be explaned by the different mixture of stellar population, which made up the galaxies.

541个星系在（B-V）T~O-（U-B）T~O两色图上沿一条对角线形成一个明显的序列，这可以从组成星系的红兰星的混合效应得到解释。

A Study on Delayed Fracture Resistance of Low Carbon Nb-V Microalloying High Strength Cold Heading Boron Steel

低碳Nb-V微合金化高强度冷镦硼钢耐延迟断裂性的研究

Fourth letter: R G Z L Y Q M J D X A O W V H N F B P C K I T S E U

第四个字母：R G Z L Y Q M J D X A O W V H N F B P C K I T S E U

In comparison with inactive normal stars with the same effective temperature, in general, the active stars covered by spots are more blue in B-V colours and their equivalent widths of Li I 6708(?)

与非活动的正常恒星相比，表面被黑子覆盖的活动星有更蓝的B-V颜色，它们的LiIλ6708（？）

Using low concentration of hydrogen peroxide ( 30%) instead of peroxide organic acid as oxidant in B-V reaction is friendly to environment and with higher atom economy.

用低浓度的H2O2（30%）来代替传统的过酸作为B-V反应的氧化剂，对环境友好且原子利用率高。

USHER The hot R& B crooner gets ready to give his youngest son Usher Raymond V, and another playmate a playful push during a July 5 playdate in Malibu.

亚瑟小子大热的R&B歌手在7月5日马里布的上映期时准备给他最小的儿子Usher Raymond V和另一个玩伴推着秋千。

The EL spectrum, the J-V and B-V characteristics have been measured, and the quantum efficiency has been calculated.

对器件的电流-电压特性、电压-亮度特性进行了测量，并计算了量子效率。